jgr.addMenu("added menu")
jgr.addMenuItem("added menu", "print 1","print(1)")
jgr.insertMenuItem("added menu","print 1 as if entered in console","print(1)",1,FALSE)
jgr.addMenuSeparator("added menu")
jgr.addSubMenu("added menu","sub menu",c("a","b","c"),c("print('a')","print('b')","print('c')"))
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